6161988

Appears in sequences

• a(n) = 1^n + 3^n + 5^n + 7^n.at n=8A134006
• Recurrence a(n) = a(n-2) + n^M for M=8, starting with a(0)=0, a(1)=1.at n=7A231307
• a(n) = Sum_{k=1..n, gcd(n,k) = 1} k^n.at n=7A308481